added translation and mophology quizzes

src-3.0/PGF/Quiz.hs

@@ -0,0 +1,76 @@
+----------------------------------------------------------------------
+-- |
+-- Module      : TeachYourself
+-- Maintainer  : AR
+-- Stability   : (stable)
+-- Portability : (portable)
+--
+-- > CVS $Date: 2005/04/21 16:46:13 $ 
+-- > CVS $Author: bringert $
+-- > CVS $Revision: 1.7 $
+--
+-- translation and morphology quiz. AR 10\/5\/2000 -- 12\/4\/2002 -- 14\/6\/2008
+--------------------------------------------------------------------------------
+
+module PGF.Quiz (
+  translationQuiz,
+  translationList,
+  morphologyQuiz,
+  morphologyList
+  ) where
+
+import PGF
+import PGF.ShowLinearize
+
+import GF.Data.Operations
+import GF.Infra.UseIO
+
+import System.Random
+
+import Data.List (nub)
+
+-- translation and morphology quiz. AR 10/5/2000 -- 12/4/2002
+
+translationQuiz :: PGF -> Language -> Language -> Category -> IO ()
+translationQuiz pgf ig og cat = do
+  tts <- translationList pgf ig og cat infinity
+  let qas = [ (q, mkAnswer as) | (q,as) <- tts]
+  teachDialogue qas "Welcome to GF Translation Quiz."
+
+translationList :: PGF -> Language -> Language -> Category -> Int -> IO [(String,[String])]
+translationList pgf ig og cat number = do
+  ts <- generateRandom pgf cat >>= return . take number
+  return $ map mkOne $ ts
+ where
+   mkOne t = (norml (linearize pgf ig t), map (norml . linearize pgf og) (homonyms t))
+   homonyms = nub . parse pgf ig cat . linearize pgf ig
+
+morphologyQuiz :: PGF -> Language -> Category -> IO ()
+morphologyQuiz pgf ig cat = do
+  tts <- morphologyList pgf ig cat infinity
+  let qas = [ (q, mkAnswer as) | (q,as) <- tts]
+  teachDialogue qas "Welcome to GF Morphology Quiz."
+
+morphologyList :: PGF -> Language -> Category -> Int -> IO [(String,[String])]
+morphologyList pgf ig cat number = do
+  ts  <- generateRandom pgf cat >>= return . take (max 1 number)
+  gen <- newStdGen
+  let ss    = map (tabularLinearize pgf (mkCId ig)) ts
+  let size  = length (head ss)
+  let forms = take number $ randomRs (0,size-1) gen
+  return [(head (snd (head pws)) +++ par, ws) | 
+           (pws,i) <- zip ss forms, let (par,ws) = pws !! i]
+
+-- | compare answer to the list of right answers, increase score and give feedback 
+mkAnswer :: [String] -> String -> (Integer, String) 
+mkAnswer as s = if (elem (norml s) as) 
+                   then (1,"Yes.") 
+                   else (0,"No, not" +++ s ++ ", but" ++++ unlines as)
+
+norml :: String -> String
+norml = unwords . words
+
+-- | the maximal number of precompiled quiz problems
+infinity :: Int
+infinity = 256
+

src-3.0/PGF/ShowLinearize.hs

@@ -3,6 +3,7 @@ module PGF.ShowLinearize (
   tableLinearize,
   recordLinearize,
   termLinearize,
+  tabularLinearize,
   allLinearize
   ) where